When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
Answer:
And firefly is the opposite of waterfall...
Apply pressure with a clean cloth or towel to slow bleeding down evaluate
<span> if it's deep enough for stitches. You can usually tell if a bandaid won't hold the skin together </span>
<span>If it's deep enough for stitches head to the Dr. or emergency room</span>
Answer: Zoonosis
Explanation: Rabies, the plague, and West Nile virus are transmitted through a bite from an animal that is infected. Not sure if anthrax is transmitted through a bite as I just know you just need to come in contact with an animal who has it.
West Nile comes from mosquito bites, rabies from any rodent, canine, mammal, ECT, and the plague originally came from rats who had the black plague.
I hope I helped bud.
